The formula for calcium sulfate, CaSO4, represents a compound composed of
A) two atoms of calcium, four atoms of sulfur, and four atoms of oxygen.
B) one atom of calcium, four atoms of sulfur, and four atoms of oxygen.
C) one atom of calcium, one atom of sulfur, and four atoms of oxygen.
D) one atom of calcium and four atoms of sulfate.
E) one atom of calcium and one atom of sulfate.
Question 2
When an amine behaves as a base it ________ a hydrogen ion to form a(an) ________ ion.
A) loses; hydronium
B) loses; ammonium
C) loses; hydroxide
D) gains; ammonium
E) gains; hydronium
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